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block_result.go
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block_result.go
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package logstorage
import (
"math"
"slices"
"sync/atomic"
"time"
"unsafe"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/bytesutil"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/decimal"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/encoding"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/fastnum"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/logger"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/slicesutil"
)
// blockResult holds results for a single block of log entries.
//
// It is expected that its contents is accessed only from a single goroutine at a time.
type blockResult struct {
// a holds all the bytes behind the requested column values in the block.
a arena
// values holds all the requested column values in the block.
valuesBuf []string
// timestamps contain timestamps for the selected log entries in the block.
timestamps []int64
// csBufOffset contains csBuf offset for the requested columns.
//
// columns with indexes below csBufOffset are ignored.
// This is needed for simplifying data transformations at pipe stages.
csBufOffset int
// csBuf contains requested columns.
csBuf []blockResultColumn
// cs contains cached pointers to requested columns returned from getColumns() if csInitialized=true.
cs []*blockResultColumn
// csInitialized is set to true if cs is properly initialized and can be returned from getColumns().
csInitialized bool
}
func (br *blockResult) reset() {
br.a.reset()
clear(br.valuesBuf)
br.valuesBuf = br.valuesBuf[:0]
br.timestamps = br.timestamps[:0]
br.csBufOffset = 0
clear(br.csBuf)
br.csBuf = br.csBuf[:0]
clear(br.cs)
br.cs = br.cs[:0]
br.csInitialized = false
}
// clone returns a clone of br, which owns its own data.
func (br *blockResult) clone() *blockResult {
brNew := &blockResult{}
cs := br.getColumns()
// Pre-populate values in every column in order to properly calculate the needed backing buffer size below.
for _, c := range cs {
_ = c.getValues(br)
}
// Calculate the backing buffer size needed for cloning column values.
bufLen := 0
for _, c := range cs {
bufLen += c.neededBackingBufLen()
}
brNew.a.preallocate(bufLen)
valuesBufLen := 0
for _, c := range cs {
valuesBufLen += c.neededBackingValuesBufLen()
}
brNew.valuesBuf = make([]string, 0, valuesBufLen)
brNew.timestamps = make([]int64, len(br.timestamps))
copy(brNew.timestamps, br.timestamps)
csNew := make([]blockResultColumn, len(cs))
for i, c := range cs {
csNew[i] = c.clone(brNew)
}
brNew.csBuf = csNew
return brNew
}
// initFromFilterAllColumns initializes br from brSrc by copying rows identified by set bets at bm.
//
// The br is valid until brSrc or bm is updated.
func (br *blockResult) initFromFilterAllColumns(brSrc *blockResult, bm *bitmap) {
br.reset()
srcTimestamps := brSrc.timestamps
dstTimestamps := br.timestamps[:0]
bm.forEachSetBitReadonly(func(idx int) {
dstTimestamps = append(dstTimestamps, srcTimestamps[idx])
})
br.timestamps = dstTimestamps
for _, cSrc := range brSrc.getColumns() {
br.appendFilteredColumn(brSrc, cSrc, bm)
}
}
// initFromFilterNeededColumns initializes br from brSrc by copying only the given neededColumns for rows identified by set bits at bm.
//
// The br is valid until brSrc or bm is updated.
func (br *blockResult) initFromFilterNeededColumns(brSrc *blockResult, bm *bitmap, neededColumns []string) {
br.reset()
srcTimestamps := brSrc.timestamps
dstTimestamps := br.timestamps[:0]
bm.forEachSetBitReadonly(func(idx int) {
dstTimestamps = append(dstTimestamps, srcTimestamps[idx])
})
br.timestamps = dstTimestamps
for _, neededColumn := range neededColumns {
cSrc := brSrc.getColumnByName(neededColumn)
br.appendFilteredColumn(brSrc, cSrc, bm)
}
}
func (br *blockResult) appendFilteredColumn(brSrc *blockResult, cSrc *blockResultColumn, bm *bitmap) {
if len(br.timestamps) == 0 {
return
}
cDst := blockResultColumn{
name: cSrc.name,
}
if cSrc.isConst {
cDst.isConst = true
cDst.valuesEncoded = cSrc.valuesEncoded
} else if cSrc.isTime {
cDst.isTime = true
} else {
cDst.valueType = cSrc.valueType
cDst.minValue = cSrc.minValue
cDst.maxValue = cSrc.maxValue
cDst.dictValues = cSrc.dictValues
cDst.newValuesEncodedFunc = func(br *blockResult) []string {
valuesEncodedSrc := cSrc.getValuesEncoded(brSrc)
valuesBuf := br.valuesBuf
valuesBufLen := len(valuesBuf)
bm.forEachSetBitReadonly(func(idx int) {
valuesBuf = append(valuesBuf, valuesEncodedSrc[idx])
})
br.valuesBuf = valuesBuf
return valuesBuf[valuesBufLen:]
}
}
br.csBuf = append(br.csBuf, cDst)
br.csInitialized = false
}
// cloneValues clones the given values into br and returns the cloned values.
func (br *blockResult) cloneValues(values []string) []string {
if values == nil {
return nil
}
valuesBufLen := len(br.valuesBuf)
for _, v := range values {
br.addValue(v)
}
return br.valuesBuf[valuesBufLen:]
}
func (br *blockResult) addValue(v string) {
valuesBuf := br.valuesBuf
if len(valuesBuf) > 0 && v == valuesBuf[len(valuesBuf)-1] {
v = valuesBuf[len(valuesBuf)-1]
} else {
v = br.a.copyString(v)
}
br.valuesBuf = append(br.valuesBuf, v)
}
// sizeBytes returns the size of br in bytes.
func (br *blockResult) sizeBytes() int {
n := int(unsafe.Sizeof(*br))
n += br.a.sizeBytes()
n += cap(br.valuesBuf) * int(unsafe.Sizeof(br.valuesBuf[0]))
n += cap(br.timestamps) * int(unsafe.Sizeof(br.timestamps[0]))
n += cap(br.csBuf) * int(unsafe.Sizeof(br.csBuf[0]))
n += cap(br.cs) * int(unsafe.Sizeof(br.cs[0]))
return n
}
// addResultColumns adds the given rcs to br.
//
// The br is valid only until rcs are modified.
func (br *blockResult) addResultColumns(rcs []resultColumn) {
if len(rcs) == 0 || len(rcs[0].values) == 0 {
return
}
for i := range rcs {
br.addResultColumn(&rcs[i])
}
}
// setResultColumns sets the given rcs as br columns.
//
// The br is valid only until rcs are modified.
func (br *blockResult) setResultColumns(rcs []resultColumn) {
br.reset()
if len(rcs) == 0 || len(rcs[0].values) == 0 {
return
}
br.timestamps = fastnum.AppendInt64Zeros(br.timestamps[:0], len(rcs[0].values))
for i := range rcs {
br.addResultColumn(&rcs[i])
}
}
func (br *blockResult) addResultColumn(rc *resultColumn) {
if len(rc.values) != len(br.timestamps) {
logger.Panicf("BUG: column %q must contain %d rows, but it contains %d rows", rc.name, len(br.timestamps), len(rc.values))
}
if areConstValues(rc.values) {
// This optimization allows reducing memory usage after br cloning
br.csBuf = append(br.csBuf, blockResultColumn{
name: rc.name,
isConst: true,
valuesEncoded: rc.values[:1],
})
} else {
br.csBuf = append(br.csBuf, blockResultColumn{
name: rc.name,
valueType: valueTypeString,
valuesEncoded: rc.values,
})
}
br.csInitialized = false
}
// initAllColumns initializes all the columns in br according to bs and bm.
//
// The initialized columns are valid until bs and bm are changed.
func (br *blockResult) initAllColumns(bs *blockSearch, bm *bitmap) {
unneededColumnNames := bs.bsw.so.unneededColumnNames
if !slices.Contains(unneededColumnNames, "_time") {
// Add _time column
br.addTimeColumn()
}
if !slices.Contains(unneededColumnNames, "_stream") {
// Add _stream column
if !br.addStreamColumn(bs) {
// Skip the current block, since the associated stream tags are missing.
br.reset()
return
}
}
if !slices.Contains(unneededColumnNames, "_msg") {
// Add _msg column
v := bs.csh.getConstColumnValue("_msg")
if v != "" {
br.addConstColumn("_msg", v)
} else if ch := bs.csh.getColumnHeader("_msg"); ch != nil {
br.addColumn(bs, bm, ch)
} else {
br.addConstColumn("_msg", "")
}
}
// Add other const columns
for _, cc := range bs.csh.constColumns {
if isMsgFieldName(cc.Name) {
continue
}
if !slices.Contains(unneededColumnNames, cc.Name) {
br.addConstColumn(cc.Name, cc.Value)
}
}
// Add other non-const columns
chs := bs.csh.columnHeaders
for i := range chs {
ch := &chs[i]
if isMsgFieldName(ch.name) {
continue
}
if !slices.Contains(unneededColumnNames, ch.name) {
br.addColumn(bs, bm, ch)
}
}
}
// initRequestedColumns initialized only requested columns in br according to bs and bm.
//
// The initialized columns are valid until bs and bm are changed.
func (br *blockResult) initRequestedColumns(bs *blockSearch, bm *bitmap) {
for _, columnName := range bs.bsw.so.neededColumnNames {
switch columnName {
case "_stream":
if !br.addStreamColumn(bs) {
// Skip the current block, since the associated stream tags are missing.
br.reset()
return
}
case "_time":
br.addTimeColumn()
default:
v := bs.csh.getConstColumnValue(columnName)
if v != "" {
br.addConstColumn(columnName, v)
} else if ch := bs.csh.getColumnHeader(columnName); ch != nil {
br.addColumn(bs, bm, ch)
} else {
br.addConstColumn(columnName, "")
}
}
}
}
func (br *blockResult) mustInit(bs *blockSearch, bm *bitmap) {
br.reset()
if bm.isZero() {
// Nothing to initialize for zero matching log entries in the block.
return
}
// Initialize timestamps, since they are required for all the further work with br.
so := bs.bsw.so
if !so.needAllColumns && !slices.Contains(so.neededColumnNames, "_time") || so.needAllColumns && slices.Contains(so.unneededColumnNames, "_time") {
// The fastest path - _time column wasn't requested, so it is enough to initialize br.timestamps with zeroes.
rowsLen := bm.onesCount()
br.timestamps = fastnum.AppendInt64Zeros(br.timestamps[:0], rowsLen)
return
}
// Slow path - the _time column is requested, so we need to initialize br.timestamps with real timestamps.
srcTimestamps := bs.getTimestamps()
if bm.areAllBitsSet() {
// Fast path - all the rows in the block are selected, so copy all the timestamps without any filtering.
br.timestamps = append(br.timestamps[:0], srcTimestamps...)
return
}
// Slow path - copy only the needed timestamps to br according to filter results.
dstTimestamps := br.timestamps[:0]
bm.forEachSetBitReadonly(func(idx int) {
ts := srcTimestamps[idx]
dstTimestamps = append(dstTimestamps, ts)
})
br.timestamps = dstTimestamps
}
func (br *blockResult) newValuesEncodedFromColumnHeader(bs *blockSearch, bm *bitmap, ch *columnHeader) []string {
valuesBufLen := len(br.valuesBuf)
switch ch.valueType {
case valueTypeString:
visitValuesReadonly(bs, ch, bm, br.addValue)
case valueTypeDict:
visitValuesReadonly(bs, ch, bm, func(v string) {
if len(v) != 1 {
logger.Panicf("FATAL: %s: unexpected dict value size for column %q; got %d bytes; want 1 byte", bs.partPath(), ch.name, len(v))
}
dictIdx := v[0]
if int(dictIdx) >= len(ch.valuesDict.values) {
logger.Panicf("FATAL: %s: too big dict index for column %q: %d; should be smaller than %d", bs.partPath(), ch.name, dictIdx, len(ch.valuesDict.values))
}
br.addValue(v)
})
case valueTypeUint8:
visitValuesReadonly(bs, ch, bm, func(v string) {
if len(v) != 1 {
logger.Panicf("FATAL: %s: unexpected size for uint8 column %q; got %d bytes; want 1 byte", bs.partPath(), ch.name, len(v))
}
br.addValue(v)
})
case valueTypeUint16:
visitValuesReadonly(bs, ch, bm, func(v string) {
if len(v) != 2 {
logger.Panicf("FATAL: %s: unexpected size for uint16 column %q; got %d bytes; want 2 bytes", bs.partPath(), ch.name, len(v))
}
br.addValue(v)
})
case valueTypeUint32:
visitValuesReadonly(bs, ch, bm, func(v string) {
if len(v) != 4 {
logger.Panicf("FATAL: %s: unexpected size for uint32 column %q; got %d bytes; want 4 bytes", bs.partPath(), ch.name, len(v))
}
br.addValue(v)
})
case valueTypeUint64:
visitValuesReadonly(bs, ch, bm, func(v string) {
if len(v) != 8 {
logger.Panicf("FATAL: %s: unexpected size for uint64 column %q; got %d bytes; want 8 bytes", bs.partPath(), ch.name, len(v))
}
br.addValue(v)
})
case valueTypeFloat64:
visitValuesReadonly(bs, ch, bm, func(v string) {
if len(v) != 8 {
logger.Panicf("FATAL: %s: unexpected size for float64 column %q; got %d bytes; want 8 bytes", bs.partPath(), ch.name, len(v))
}
br.addValue(v)
})
case valueTypeIPv4:
visitValuesReadonly(bs, ch, bm, func(v string) {
if len(v) != 4 {
logger.Panicf("FATAL: %s: unexpected size for ipv4 column %q; got %d bytes; want 4 bytes", bs.partPath(), ch.name, len(v))
}
br.addValue(v)
})
case valueTypeTimestampISO8601:
visitValuesReadonly(bs, ch, bm, func(v string) {
if len(v) != 8 {
logger.Panicf("FATAL: %s: unexpected size for timestmap column %q; got %d bytes; want 8 bytes", bs.partPath(), ch.name, len(v))
}
br.addValue(v)
})
default:
logger.Panicf("FATAL: %s: unknown valueType=%d for column %q", bs.partPath(), ch.valueType, ch.name)
}
return br.valuesBuf[valuesBufLen:]
}
// addColumn adds column for the given ch to br.
//
// The added column is valid until bs, bm or ch is changed.
func (br *blockResult) addColumn(bs *blockSearch, bm *bitmap, ch *columnHeader) {
br.csBuf = append(br.csBuf, blockResultColumn{
name: getCanonicalColumnName(ch.name),
valueType: ch.valueType,
minValue: ch.minValue,
maxValue: ch.maxValue,
dictValues: ch.valuesDict.values,
newValuesEncodedFunc: func(br *blockResult) []string {
return br.newValuesEncodedFromColumnHeader(bs, bm, ch)
},
})
br.csInitialized = false
}
func (br *blockResult) addTimeColumn() {
br.csBuf = append(br.csBuf, blockResultColumn{
name: "_time",
isTime: true,
})
br.csInitialized = false
}
func (br *blockResult) addStreamColumn(bs *blockSearch) bool {
bb := bbPool.Get()
defer bbPool.Put(bb)
streamID := &bs.bsw.bh.streamID
bb.B = bs.bsw.p.pt.appendStreamTagsByStreamID(bb.B[:0], streamID)
if len(bb.B) == 0 {
// Couldn't find stream tags by streamID. This may be the case when the corresponding log stream
// was recently registered and its tags aren't visible to search yet.
// The stream tags must become visible in a few seconds.
// See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/6042
return false
}
st := GetStreamTags()
mustUnmarshalStreamTags(st, bb.B)
bb.B = st.marshalString(bb.B[:0])
PutStreamTags(st)
s := bytesutil.ToUnsafeString(bb.B)
br.addConstColumn("_stream", s)
return true
}
func (br *blockResult) addConstColumn(name, value string) {
nameCopy := br.a.copyString(name)
valuesBufLen := len(br.valuesBuf)
br.addValue(value)
valuesEncoded := br.valuesBuf[valuesBufLen:]
br.csBuf = append(br.csBuf, blockResultColumn{
name: nameCopy,
isConst: true,
valuesEncoded: valuesEncoded,
})
br.csInitialized = false
}
func (br *blockResult) newValuesBucketedForColumn(c *blockResultColumn, bf *byStatsField) []string {
if c.isConst {
v := c.valuesEncoded[0]
return br.getBucketedConstValues(v, bf)
}
if c.isTime {
return br.getBucketedTimestampValues(bf)
}
valuesEncoded := c.getValuesEncoded(br)
switch c.valueType {
case valueTypeString:
return br.getBucketedStringValues(valuesEncoded, bf)
case valueTypeDict:
return br.getBucketedDictValues(valuesEncoded, c.dictValues, bf)
case valueTypeUint8:
return br.getBucketedUint8Values(valuesEncoded, bf)
case valueTypeUint16:
return br.getBucketedUint16Values(valuesEncoded, bf)
case valueTypeUint32:
return br.getBucketedUint32Values(valuesEncoded, bf)
case valueTypeUint64:
return br.getBucketedUint64Values(valuesEncoded, bf)
case valueTypeFloat64:
return br.getBucketedFloat64Values(valuesEncoded, bf)
case valueTypeIPv4:
return br.getBucketedIPv4Values(valuesEncoded, bf)
case valueTypeTimestampISO8601:
return br.getBucketedTimestampISO8601Values(valuesEncoded, bf)
default:
logger.Panicf("BUG: unknown valueType=%d", c.valueType)
return nil
}
}
func (br *blockResult) getBucketedConstValues(v string, bf *byStatsField) []string {
if v == "" {
// Fast path - return a slice of empty strings without constructing the slice.
return getEmptyStrings(len(br.timestamps))
}
// Slower path - construct slice of identical values with the len(br.timestamps)
valuesBuf := br.valuesBuf
valuesBufLen := len(valuesBuf)
v = br.getBucketedValue(v, bf)
for range br.timestamps {
valuesBuf = append(valuesBuf, v)
}
br.valuesBuf = valuesBuf
return valuesBuf[valuesBufLen:]
}
func (br *blockResult) getBucketedTimestampValues(bf *byStatsField) []string {
buf := br.a.b
valuesBuf := br.valuesBuf
valuesBufLen := len(valuesBuf)
timestamps := br.timestamps
var s string
if !bf.hasBucketConfig() {
for i := range timestamps {
if i > 0 && timestamps[i-1] == timestamps[i] {
valuesBuf = append(valuesBuf, s)
continue
}
bufLen := len(buf)
buf = marshalTimestampRFC3339NanoString(buf, timestamps[i])
s = bytesutil.ToUnsafeString(buf[bufLen:])
valuesBuf = append(valuesBuf, s)
}
} else {
bucketSizeInt := int64(bf.bucketSize)
if bucketSizeInt <= 0 {
bucketSizeInt = 1
}
bucketOffsetInt := int64(bf.bucketOffset)
timestampPrev := int64(0)
for i := range timestamps {
if i > 0 && timestamps[i-1] == timestamps[i] {
valuesBuf = append(valuesBuf, s)
continue
}
timestamp := timestamps[i]
timestamp -= bucketOffsetInt
if bf.bucketSizeStr == "month" {
timestamp = truncateTimestampToMonth(timestamp)
} else if bf.bucketSizeStr == "year" {
timestamp = truncateTimestampToYear(timestamp)
} else {
timestamp -= timestamp % bucketSizeInt
}
timestamp += bucketOffsetInt
if i > 0 && timestampPrev == timestamp {
valuesBuf = append(valuesBuf, s)
continue
}
timestampPrev = timestamp
bufLen := len(buf)
buf = marshalTimestampRFC3339NanoString(buf, timestamp)
s = bytesutil.ToUnsafeString(buf[bufLen:])
valuesBuf = append(valuesBuf, s)
}
}
br.a.b = buf
br.valuesBuf = valuesBuf
return valuesBuf[valuesBufLen:]
}
func (br *blockResult) getBucketedStringValues(values []string, bf *byStatsField) []string {
if !bf.hasBucketConfig() {
return values
}
valuesBuf := br.valuesBuf
valuesBufLen := len(valuesBuf)
var s string
for i := range values {
if i > 0 && values[i-1] == values[i] {
valuesBuf = append(valuesBuf, s)
continue
}
s = br.getBucketedValue(values[i], bf)
valuesBuf = append(valuesBuf, s)
}
br.valuesBuf = valuesBuf
return valuesBuf[valuesBufLen:]
}
func (br *blockResult) getBucketedDictValues(valuesEncoded, dictValues []string, bf *byStatsField) []string {
valuesBuf := br.valuesBuf
valuesBufLen := len(valuesBuf)
dictValues = br.getBucketedStringValues(dictValues, bf)
for _, v := range valuesEncoded {
dictIdx := v[0]
valuesBuf = append(valuesBuf, dictValues[dictIdx])
}
br.valuesBuf = valuesBuf
return valuesBuf[valuesBufLen:]
}
func (br *blockResult) getBucketedUint8Values(valuesEncoded []string, bf *byStatsField) []string {
buf := br.a.b
valuesBuf := br.valuesBuf
valuesBufLen := len(valuesBuf)
var s string
if !bf.hasBucketConfig() {
for i, v := range valuesEncoded {
if i > 0 && valuesEncoded[i-1] == valuesEncoded[i] {
valuesBuf = append(valuesBuf, s)
continue
}
n := unmarshalUint8(v)
bufLen := len(buf)
buf = marshalUint8String(buf, n)
s = bytesutil.ToUnsafeString(buf[bufLen:])
valuesBuf = append(valuesBuf, s)
}
} else {
bucketSizeInt := uint64(bf.bucketSize)
if bucketSizeInt <= 0 {
bucketSizeInt = 1
}
bucketOffsetInt := uint64(int64(bf.bucketOffset))
nPrev := uint64(0)
for i, v := range valuesEncoded {
if i > 0 && valuesEncoded[i-1] == valuesEncoded[i] {
valuesBuf = append(valuesBuf, s)
continue
}
n := uint64(unmarshalUint8(v))
n -= bucketOffsetInt
n -= n % bucketSizeInt
n += bucketOffsetInt
if i > 0 && nPrev == n {
valuesBuf = append(valuesBuf, s)
continue
}
nPrev = n
bufLen := len(buf)
buf = marshalUint64String(buf, n)
s = bytesutil.ToUnsafeString(buf[bufLen:])
valuesBuf = append(valuesBuf, s)
}
}
br.valuesBuf = valuesBuf
br.a.b = buf
return br.valuesBuf[valuesBufLen:]
}
func (br *blockResult) getBucketedUint16Values(valuesEncoded []string, bf *byStatsField) []string {
buf := br.a.b
valuesBuf := br.valuesBuf
valuesBufLen := len(valuesBuf)
var s string
if !bf.hasBucketConfig() {
for i, v := range valuesEncoded {
if i > 0 && valuesEncoded[i-1] == valuesEncoded[i] {
valuesBuf = append(valuesBuf, s)
continue
}
n := unmarshalUint16(v)
bufLen := len(buf)
buf = marshalUint16String(buf, n)
s = bytesutil.ToUnsafeString(buf[bufLen:])
valuesBuf = append(valuesBuf, s)
}
} else {
bucketSizeInt := uint64(bf.bucketSize)
if bucketSizeInt <= 0 {
bucketSizeInt = 1
}
bucketOffsetInt := uint64(int64(bf.bucketOffset))
nPrev := uint64(0)
for i, v := range valuesEncoded {
if i > 0 && valuesEncoded[i-1] == valuesEncoded[i] {
valuesBuf = append(valuesBuf, s)
continue
}
n := uint64(unmarshalUint16(v))
n -= bucketOffsetInt
n -= n % bucketSizeInt
n += bucketOffsetInt
if i > 0 && nPrev == n {
valuesBuf = append(valuesBuf, s)
continue
}
nPrev = n
bufLen := len(buf)
buf = marshalUint64String(buf, n)
s = bytesutil.ToUnsafeString(buf[bufLen:])
valuesBuf = append(valuesBuf, s)
}
}
br.valuesBuf = valuesBuf
br.a.b = buf
return br.valuesBuf[valuesBufLen:]
}
func (br *blockResult) getBucketedUint32Values(valuesEncoded []string, bf *byStatsField) []string {
buf := br.a.b
valuesBuf := br.valuesBuf
valuesBufLen := len(valuesBuf)
var s string
if !bf.hasBucketConfig() {
for i, v := range valuesEncoded {
if i > 0 && valuesEncoded[i-1] == valuesEncoded[i] {
valuesBuf = append(valuesBuf, s)
continue
}
n := unmarshalUint32(v)
bufLen := len(buf)
buf = marshalUint32String(buf, n)
s = bytesutil.ToUnsafeString(buf[bufLen:])
valuesBuf = append(valuesBuf, s)
}
} else {
bucketSizeInt := uint64(bf.bucketSize)
if bucketSizeInt <= 0 {
bucketSizeInt = 1
}
bucketOffsetInt := uint64(int64(bf.bucketOffset))
nPrev := uint64(0)
for i, v := range valuesEncoded {
if i > 0 && valuesEncoded[i-1] == valuesEncoded[i] {
valuesBuf = append(valuesBuf, s)
continue
}
n := uint64(unmarshalUint32(v))
n -= bucketOffsetInt
n -= n % bucketSizeInt
n += bucketOffsetInt
if i > 0 && nPrev == n {
valuesBuf = append(valuesBuf, s)
continue
}
nPrev = n
bufLen := len(buf)
buf = marshalUint64String(buf, n)
s = bytesutil.ToUnsafeString(buf[bufLen:])
valuesBuf = append(valuesBuf, s)
}
}
br.valuesBuf = valuesBuf
br.a.b = buf
return br.valuesBuf[valuesBufLen:]
}
func (br *blockResult) getBucketedUint64Values(valuesEncoded []string, bf *byStatsField) []string {
buf := br.a.b
valuesBuf := br.valuesBuf
valuesBufLen := len(valuesBuf)
var s string
if !bf.hasBucketConfig() {
for i, v := range valuesEncoded {
if i > 0 && valuesEncoded[i-1] == valuesEncoded[i] {
valuesBuf = append(valuesBuf, s)
continue
}
n := unmarshalUint64(v)
bufLen := len(buf)
buf = marshalUint64String(buf, n)
s = bytesutil.ToUnsafeString(buf[bufLen:])
valuesBuf = append(valuesBuf, s)
}
} else {
bucketSizeInt := uint64(bf.bucketSize)
if bucketSizeInt <= 0 {
bucketSizeInt = 1
}
bucketOffsetInt := uint64(int64(bf.bucketOffset))
nPrev := uint64(0)
for i, v := range valuesEncoded {
if i > 0 && valuesEncoded[i-1] == valuesEncoded[i] {
valuesBuf = append(valuesBuf, s)
continue
}
n := unmarshalUint64(v)
n -= bucketOffsetInt
n -= n % bucketSizeInt
n += bucketOffsetInt
if i > 0 && nPrev == n {
valuesBuf = append(valuesBuf, s)
continue
}
nPrev = n
bufLen := len(buf)
buf = marshalUint64String(buf, n)
s = bytesutil.ToUnsafeString(buf[bufLen:])
valuesBuf = append(valuesBuf, s)
}
}
br.valuesBuf = valuesBuf
br.a.b = buf
return br.valuesBuf[valuesBufLen:]
}
func (br *blockResult) getBucketedFloat64Values(valuesEncoded []string, bf *byStatsField) []string {
buf := br.a.b
valuesBuf := br.valuesBuf
valuesBufLen := len(valuesBuf)
var s string
if !bf.hasBucketConfig() {
for i, v := range valuesEncoded {
if i > 0 && valuesEncoded[i-1] == valuesEncoded[i] {
valuesBuf = append(valuesBuf, s)
continue
}
f := unmarshalFloat64(v)
bufLen := len(buf)
buf = marshalFloat64String(buf, f)
s = bytesutil.ToUnsafeString(buf[bufLen:])
valuesBuf = append(valuesBuf, s)
}
} else {
bucketSize := bf.bucketSize
if bucketSize <= 0 {
bucketSize = 1
}
_, e := decimal.FromFloat(bucketSize)
p10 := math.Pow10(int(-e))
bucketSizeP10 := int64(bucketSize * p10)
fPrev := float64(0)
for i, v := range valuesEncoded {
if i > 0 && valuesEncoded[i-1] == valuesEncoded[i] {
valuesBuf = append(valuesBuf, s)
continue
}
f := unmarshalFloat64(v)
f -= bf.bucketOffset
// emulate f % bucketSize for float64 values
fP10 := int64(f * p10)
fP10 -= fP10 % bucketSizeP10
f = float64(fP10) / p10
f += bf.bucketOffset
if fPrev == f {
valuesBuf = append(valuesBuf, s)
continue
}
fPrev = f
bufLen := len(buf)
buf = marshalFloat64String(buf, f)
s = bytesutil.ToUnsafeString(buf[bufLen:])
valuesBuf = append(valuesBuf, s)
}
}
br.valuesBuf = valuesBuf
br.a.b = buf
return br.valuesBuf[valuesBufLen:]
}
func (br *blockResult) getBucketedIPv4Values(valuesEncoded []string, bf *byStatsField) []string {
buf := br.a.b
valuesBuf := br.valuesBuf
valuesBufLen := len(valuesBuf)
var s string
if !bf.hasBucketConfig() {
for i, v := range valuesEncoded {
if i > 0 && valuesEncoded[i-1] == valuesEncoded[i] {
valuesBuf = append(valuesBuf, s)
continue
}
ip := unmarshalIPv4(v)
bufLen := len(buf)
buf = marshalIPv4String(buf, ip)
s = bytesutil.ToUnsafeString(buf[bufLen:])
valuesBuf = append(valuesBuf, s)
}
} else {
bucketSizeInt := uint32(bf.bucketSize)
if bucketSizeInt <= 0 {
bucketSizeInt = 1
}
bucketOffsetInt := uint32(int32(bf.bucketOffset))